#6471DD#6471DD

#6471DD is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.2% C 0.163 H 275.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6471DD
RGB	rgb(100, 113, 221)
HSL	hsl(234, 64%, 63%)
HSV	hsv(234, 55%, 87%)
CMYK	cmyk(54.8%, 48.9%, 0%, 13.3%)
CIE-LAB	lab(51.54, 25.82, -56.92)
CIE-LCH	lch(51.54, 62.50, 294.40°)
OKLab	oklab(59.21% 0.0145 -0.1625)
OKLCH	oklch(59.21% 0.163 275.1)
XYZ	xyz(24.2076, 19.7384, 70.9269)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6471DD #DDD064

analogous

#64ADDD #6471DD #9464DD

triadic

#6471DD #DD6471 #71DD64

tetradic

#6471DD #DD64AD #DDD064 #64DD94

square

#6471DD #DD64AD #DDD064 #64DD94

split-complementary

#6471DD #DD9464 #ADDD64

monochromatic

#2431A3 #3243D2 #6471DD #969FE8 #C8CDF3

Accessibility & contrast

On white

4.24

#6471DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#6471DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6471DD

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6471DD	#FFFFFF	#000000	##000000
##6471DD	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C80E1

Deuteranopia (green-blind)

#2B76DB

Tritanopia (blue-blind)

#24899C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6471dd;
/* rgb */ color: rgb(100, 113, 221);
/* oklch */ color: oklch(59.2% 0.163 275.1);

Tailwind

colors: {
  custom: {
    50: '#9999e8',
    500: '#6471dd',
    950: '#000000',
  },
}

SCSS

$custom: #6471dd;
$custom-light: #9999e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6471dd",
  "rgb": {
    "r": 100,
    "g": 113,
    "b": 221
  },
  "hsl": {
    "h": 233.554,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.59214,
    "c": 0.16312,
    "h": 275.1
  },
  "luminance": 0.1974
}

Semantic roles & 50–950 ramp

primary

#6471DD

secondary

#E4DFB9

accent

#B91ACC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6471DD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →